Fig. 3From: FDG-PET/CT pitfalls in oncological head and neck imagingAxial PET/CT images obtained at the level of the parotid glands (a) and submandibular glands (b). Physiological symmetrical and high FDG uptake in both parotid glands (arrows) without underlying pathology. Physiological slightly asymmetrical and moderate FDG uptake in bilateral submandibular glands (arrowheads) and sublingual glands without underlying pathologyBack to article page